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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [net/] [pkt_cls.h] - Blame information for rev 1774

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#ifndef __NET_PKT_CLS_H
#define __NET_PKT_CLS_H
 
 
#include <linux/pkt_cls.h>
 
struct rtattr;
struct tcmsg;
 
/* Basic packet classifier frontend definitions. */
 
struct tcf_result
{
        unsigned long   class;
        u32             classid;
};
 
struct tcf_proto
{
        /* Fast access part */
        struct tcf_proto        *next;
        void                    *root;
        int                     (*classify)(struct sk_buff*, struct tcf_proto*, struct tcf_result *);
        u32                     protocol;
 
        /* All the rest */
        u32                     prio;
        u32                     classid;
        struct Qdisc            *q;
        void                    *data;
        struct tcf_proto_ops    *ops;
};
 
struct tcf_walker
{
        int     stop;
        int     skip;
        int     count;
        int     (*fn)(struct tcf_proto *, unsigned long node, struct tcf_walker *);
};
 
struct tcf_proto_ops
{
        struct tcf_proto_ops    *next;
        char                    kind[IFNAMSIZ];
 
        int                     (*classify)(struct sk_buff*, struct tcf_proto*, struct tcf_result *);
        int                     (*init)(struct tcf_proto*);
        void                    (*destroy)(struct tcf_proto*);
 
        unsigned long           (*get)(struct tcf_proto*, u32 handle);
        void                    (*put)(struct tcf_proto*, unsigned long);
        int                     (*change)(struct tcf_proto*, unsigned long, u32 handle, struct rtattr **, unsigned long *);
        int                     (*delete)(struct tcf_proto*, unsigned long);
        void                    (*walk)(struct tcf_proto*, struct tcf_walker *arg);
 
        /* rtnetlink specific */
        int                     (*dump)(struct tcf_proto*, unsigned long, struct sk_buff *skb, struct tcmsg*);
};
 
/* Main classifier routine: scans classifier chain attached
   to this qdisc, (optionally) tests for protocol and asks
   specific classifiers.
 */
 
static inline int tc_classify(struct sk_buff *skb, struct tcf_proto *tp, struct tcf_result *res)
{
        int err = 0;
        u32 protocol = skb->protocol;
 
        for ( ; tp; tp = tp->next) {
                if ((tp->protocol == protocol ||
                     tp->protocol == __constant_htons(ETH_P_ALL)) &&
                    (err = tp->classify(skb, tp, res)) >= 0)
                        return err;
        }
        return -1;
}
 
static inline void tcf_destroy(struct tcf_proto *tp)
{
        tp->ops->destroy(tp);
        kfree(tp);
}
 
extern int register_tcf_proto_ops(struct tcf_proto_ops *ops);
extern int unregister_tcf_proto_ops(struct tcf_proto_ops *ops);
 
 
 
#endif

Line No.	Rev	Author	Line
1	1275	phoenix	`#ifndef __NET_PKT_CLS_H`
2			`#define __NET_PKT_CLS_H`
3
4
5			`#include <linux/pkt_cls.h>`
6
7			`struct rtattr;`
8			`struct tcmsg;`
9
10			`/* Basic packet classifier frontend definitions. */`
11
12			`struct tcf_result`
13			`{`
14			`unsigned long class;`
15			`u32 classid;`
16			`};`
17
18			`struct tcf_proto`
19			`{`
20			`/* Fast access part */`
21			`struct tcf_proto *next;`
22			`void *root;`
23			`int (classify)(struct sk_buff, struct tcf_proto, struct tcf_result );`
24			`u32 protocol;`
25
26			`/* All the rest */`
27			`u32 prio;`
28			`u32 classid;`
29			`struct Qdisc *q;`
30			`void *data;`
31			`struct tcf_proto_ops *ops;`
32			`};`
33
34			`struct tcf_walker`
35			`{`
36			`int stop;`
37			`int skip;`
38			`int count;`
39			`int (fn)(struct tcf_proto , unsigned long node, struct tcf_walker *);`
40			`};`
41
42			`struct tcf_proto_ops`
43			`{`
44			`struct tcf_proto_ops *next;`
45			`char kind[IFNAMSIZ];`
46
47			`int (classify)(struct sk_buff, struct tcf_proto, struct tcf_result );`
48			`int (init)(struct tcf_proto);`
49			`void (destroy)(struct tcf_proto);`
50
51			`unsigned long (get)(struct tcf_proto, u32 handle);`
52			`void (put)(struct tcf_proto, unsigned long);`
53			`int (change)(struct tcf_proto, unsigned long, u32 handle, struct rtattr *, unsigned long );`
54			`int (delete)(struct tcf_proto, unsigned long);`
55			`void (walk)(struct tcf_proto, struct tcf_walker *arg);`
56
57			`/* rtnetlink specific */`
58			`int (dump)(struct tcf_proto, unsigned long, struct sk_buff skb, struct tcmsg);`
59			`};`
60
61			`/* Main classifier routine: scans classifier chain attached`
62			`to this qdisc, (optionally) tests for protocol and asks`
63			`specific classifiers.`
64			`*/`
65
66			`static inline int tc_classify(struct sk_buff skb, struct tcf_proto tp, struct tcf_result *res)`
67			`{`
68			`int err = 0;`
69			`u32 protocol = skb->protocol;`
70
71			`for ( ; tp; tp = tp->next) {`
72			`if ((tp->protocol == protocol \|\|`
73			`tp->protocol == __constant_htons(ETH_P_ALL)) &&`
74			`(err = tp->classify(skb, tp, res)) >= 0)`
75			`return err;`
76			`}`
77			`return -1;`
78			`}`
79
80			`static inline void tcf_destroy(struct tcf_proto *tp)`
81			`{`
82			`tp->ops->destroy(tp);`
83			`kfree(tp);`
84			`}`
85
86			`extern int register_tcf_proto_ops(struct tcf_proto_ops *ops);`
87			`extern int unregister_tcf_proto_ops(struct tcf_proto_ops *ops);`
88
89
90
91			`#endif`

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [net/] [pkt_cls.h] - Blame information for rev 1774